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Finding the Third Proportional to 251,930.25 and 553,007.25

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Solution

The third proportional to 251,930.25 and 553,007.25 is: 1,213,895.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,930.25 : 553,007.25 = 553,007.25 : x
  2. Step 2: Convert to fraction form
    251,930.25/553,007.25 = 553,007.25/x
  3. Step 3: Cross multiply
    251,930.25x = 553,007.25 × 553,007.25
  4. Step 4: Simplify right side
    251,930.25x = 305,817,018,552.56
  5. Step 5: Solve for x
    x = 305,817,018,552.56/251,930.25
  6. Step 6: Final answer
    x = 1,213,895.59

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.